Which of the following are large, expensive, powerful computers that can handle hundreds or thousands of connected users simultaneously and store tremendous amounts of data, instructions, and information?
A. embedded computers
B. supercomputers
C. mainframes
D. mobile devices
Answer: C
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Which of the following languages is used primarily for scientific and engineering applications?
a. Fortran. b. COBOL. c. Pascal. d. Basic.
Answer the following statements true (T) or false (F)
1. Class names and key words are examples of variables. 2. The Java API provides a class named Math that contains numerous methods which are useful for performing complex mathematical operations. 3. The System.out.printf method allows you to format output in a variety of ways. 4. A Java program will not compile unless it contains the correct line numbers. 5. Java is not case sensitive.
Answer the following statement(s) true (T) or false (F)
1. As shown in the accompanying figure, a partially locked layer displays a hollow lock.
2. The transparency of the Background layer cannot be changed.
3. Pixel masks are resolution independent.
4. After clicking the Clone Stamp Tool button on the Tools panel, you press and hold CTRL while clicking in the portion of the picture that you wish to copy.
5. Flattening composite images increase the file size.
Sampling rate sets which of the following for a traced image?
A. Resolution B. Size C. Color mode D. File format